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Signature
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/s/ Jeff Kiekhofer, Attorney-in-Fact
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Stock symbol
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ATRA
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Transactions as of
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May 31, 2023
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Transactions value $
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$0
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Form type
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4
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Date filed
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6/2/2023, 08:06 PM
Transactions Table
Type |
Sym |
Class |
Transaction |
Value $ |
Shares |
Change % |
* Price $ |
Shares After |
Date |
Ownership |
Footnotes |
transaction |
ATRA |
Common Stock |
Award |
$0 |
+57K |
+97.12% |
$0.00 |
116K |
May 31, 2023 |
Direct |
F1 |
holding |
ATRA |
Common Stock |
|
|
|
|
|
1.82M |
May 31, 2023 |
See footnote |
F3 |
holding |
ATRA |
Common Stock |
|
|
|
|
|
54.4K |
May 31, 2023 |
See footnote |
F4 |
holding |
ATRA |
Common Stock |
|
|
|
|
|
197 |
May 31, 2023 |
See footnote |
F5 |
holding |
ATRA |
Common Stock |
|
|
|
|
|
197 |
May 31, 2023 |
See footnote |
F6 |
Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)
Type |
Sym |
Class |
Transaction |
Value $ |
Shares |
Change % |
* Price $ |
Shares After |
Date |
Underlying Class |
Amount |
Exercise Price |
Ownership |
Footnotes |
transaction |
ATRA |
Non-Qualified Stock Option (Right to Buy) |
Award |
$0 |
+79.5K |
|
$0.00 |
79.5K |
May 31, 2023 |
Common Stock |
79.5K |
$1.53 |
Direct |
F2 |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
Explanation of Responses:
Remarks:
Exhibit List: Exhibit 24 - Power of Attorney